ADE7116/ADE7166/ADE7169/ADE7566/ADE7569
Data Sheet
TABLE OF CONTENTS
General Features ............................................................................... 1
Energy Measurement Features........................................................ 1
Microprocessor Features.................................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Functional Block Diagrams............................................................. 4
Specifications..................................................................................... 6
Energy Metering ........................................................................... 6
Analog Peripherals ....................................................................... 7
Digital Interface ............................................................................ 8
Timing Specifications ................................................................ 10
Absolute Maximum Ratings.......................................................... 15
Thermal Resistance .................................................................... 15
ESD Caution................................................................................ 15
Pin Configurations and Function Descriptions ......................... 16
Typical Performance Characteristics ........................................... 22
Performance Curves for the ADE7169 and ADE7569 Only. 25
Terminology .................................................................................... 26
Special Function Register (SFR) Mapping .................................. 27
Power Management........................................................................ 30
Power Management Register Details ....................................... 30
Power Supply Architecture........................................................ 33
Battery Switchover...................................................................... 33
Power Supply Management (PSM) Interrupt ......................... 34
Using the Power Supply Features ............................................. 36
Operating Modes ............................................................................ 38
PSM0 (Normal Mode) ............................................................... 38
PSM1 (Battery Mode) ................................................................ 38
PSM2 (Sleep Mode).................................................................... 38
3.3 V Peripherals and Wake-Up Events................................... 39
Transitioning Between Operating Modes ............................... 40
Using the Power Management Features .................................. 40
Energy Measurement ..................................................................... 41
Access to Energy Measurement SFRs ...................................... 41
Access to Internal Energy Measurement Registers................ 41
Energy Measurement Registers ................................................ 44
Energy Measurement Internal Register Details ..................... 45
Interrupt Status/Enable SFRs .................................................... 48
Analog Inputs.............................................................................. 50
Analog-to-Digital Conversion.................................................. 51
Fault Detection ........................................................................... 55
di/dt Current Sensor and Digital Integrator for the
ADE7169/ADE7569 ................................................................... 56
Power Quality Measurements................................................... 58
Phase Compensation ................................................................. 60
RMS Calculation ........................................................................ 60
Active Power Calculation .......................................................... 63
Active Energy Calculation ........................................................ 65
Reactive Power Calculation (ADE7169/ADE7569) ............... 68
Reactive Energy Calculation (ADE7169/ADE7569).............. 69
Apparent Power Calculation..................................................... 73
Apparent Energy Calculation ................................................... 74
Ampere Hour Accumulation.................................................... 75
Energy to Frequency Conversion............................................. 76
Energy Register Scaling ............................................................. 77
Energy Measurement Interrupts .............................................. 77
Temperature, Battery, and Supply Voltage Measurements........ 78
Temperature Measurement ....................................................... 80
Battery Measurement................................................................. 80
External Voltage Measurement ................................................ 81
8052 MCU Core Architecture....................................................... 83
MCU Registers............................................................................ 83
Basic 8052 Registers ................................................................... 85
Standard 8052 SFRs.................................................................... 86
Memory Overview ..................................................................... 86
Addressing Modes...................................................................... 87
Instruction Set ............................................................................ 89
Read-Modify-Write Instructions ............................................. 91
Instructions That Affect Flags .................................................. 91
Dual Data Pointers ......................................................................... 93
Interrupt System ............................................................................. 94
Standard 8052 Interrupt Architecture ..................................... 94
Interrupt Architecture ............................................................... 94
Interrupt Registers...................................................................... 94
Interrupt Priority........................................................................ 95
Interrupt Flags ............................................................................ 96
Interrupt Vectors ........................................................................ 98
Interrupt Latency........................................................................ 98
Context Saving............................................................................ 98
Watchdog Timer ............................................................................. 99
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